Home Plot TV Plot Content

《Undercover High School》Introduction to the full episode plot

Auth:Charm Time:Mar 17, 2025 Source:Network

Recently, a film and television drama called Undercover High School is being broadcast. After the broadcast, it has received quite good reviews and the enthusiasm of the audience is also heating up.With the increase in popularity, the drama has been discussed more and more on major online platforms, especially the introduction of the full episode plot and episodes that everyone is most concerned about recently.

《Undercover High School-Episode 1 plot introduction

《Undercover High School》Introduction to the full episode plot

Zheng Haicheng officially launched a confidential combat plan, and at the same time, his story with the Fourth Group of the National Intelligence Agency also kicked off.He set out to investigate a criminal group that attempted to illegally transport the half-loof contemplative statue - a precious cultural heritage, the National Treasure No. 83 of the Republic of Korea (currently collected in the National Central Museum of South Korea).With his extraordinary skills, he easily subdued the other party and chased the escaped President Park all the way, and finally successfully regained the half-loof contemplation statue.He was quick and his eyes were like an eagle. This duel was tense and exciting. Every move was like careful planning, making people unable to look away.

However, just as the mission is about to end successfully, a sudden accident broke the peace.Originally just to shock the enemy's shooting, he accidentally deviated from the target and directly hit the statue's arm, causing it to break.This mistake put Zheng Haicheng in an unprecedented dilemma and even faced the danger of being expelled from the National Intelligence Agency.In order to retain his identity, he had to accept a new task: investigate the mystery of gold nuggets left by Li Bingwen, the founder of Bingwen High School, and decide to sneak into the school and turn into a student to investigate.

On campus, Zheng Haicheng unexpectedly met Wu Xiuya.At that time, she was confronting a troubled drinker in her mother's restaurant.Zheng Haizhen immediately stepped forward and quickly subdued the other party, showing his heroic and handsome side.Xiuya's heart moved, but before she could think too much, she actually saw him again at school.“How come you are here?” She widened her eyes in surprise.Zheng Haicheng put his hands in his pockets and answered as if nothing had happened: “Hey, it is impolite to speak in that tone.”His half-joking tone made Soo a little annoyed.“Hey, who are you?”The two's tit-for-tat conversation made the atmosphere subtle and interesting, and this unexpected encounter brought many unknown factors to his disguise of student actions.

During the exploration of the campus, Zheng Haicheng noticed a dilapidated old building.Although his appearance seemed to be abandoned for a long time, the numbers on the meter were still beating, which aroused his alertness.He carefully examined the surroundings and felt that there was something wrong with the building, which might be related to the rumors of gold nuggets.So he decided to come again at night to find out.

As night fell, he quietly sneaked into the old museum, looking for a secret passage to the underground.Just as he was about to step into the stairs, a sound of metal loading suddenly came from behind him, and a gun pointed straight at his back.He held his breath, his eyes instantly becoming sharp.He encountered such a dangerous situation at the beginning of his operation, and it seemed that this mission was even more complicated and difficult than he expected.

》Undercover High School-Episode 2 plot introduction

《Undercover High School》Introduction to the full episode plot

Zheng Haicheng (played by Xu Kangjun), a trump card member of the National Intelligence Academy, bravely recovered the stolen cultural relics, but unexpectedly caused damage to the cultural relics and faced punishment.In order to avoid being fired from his colleagues together, Haicheng decided to take on a new task: pretend to be a high school student and sneak into Bingwen High School, and retrieve the Gaozong gold bars worth more than 800 million yuan that were privately hidden by Bingwen Consortium.

Haicheng heard the strange stories about the old school museum from his deskmate Li Dongmin, and found that although no one was there, there was a power meter, which was very suspicious.The first infiltration was stopped by Wu Xiuya (played by Qin Jizhou). Second, he went in with Dongmin and discovered a secret that was more shocking than the gold bar.

Wu Xiuya was a hired teacher at Bingwen High School. In order to become a regular, she did not hesitate to get drunk during the dinner to please the vice principal. As a result, she grabbed the vice principal's wig and made a fool of herself.Xiuya returned to the small restaurant run by her mother and met a few gangsters who were lying to make trouble. They were about to fight. At this time, Haicheng, who was drinking in the store, took action to stop it, causing the drunk Xiuya to bump into the drunken Xiaoya.

When he went to work the next day, Xiuya discovered that the new transfer student was actually the handsome guy from yesterday and had doubts about his true identity.Park Tae-soo, who was in the same class, bullied people everywhere in school because his father was a member of parliament. He spitted into Dongmin's lunch and asked him to eat it. Hae-sung helped Dongmin to rescue him, but was photographed by his classmates to surf the Internet.Xiuya mistakenly thought that Hae-sung was the perpetrator, while Hae-sung's teammates found it was in big trouble...

Dongmin told Hae-sung that the basement floor of the old museum in Bingwen High School was originally a ballet practice room. A female student who dreamed of being a ballet dancer was often bullied by her classmates. One day she ran away and lost her legs when she lost her legs. She hanged herself in the practice room in despair.The bullies discovered her body hidden under the floor, and the building began to haunt.

Hai Cheng and Dongmin came to the old museum while the night was dark and found a secret room full of documents. It turned out that Xu Mingzhu (played by Jin Xinlu), the chairman of the Bingwen Foundation, was also looking for gold bars; someone was setting a nail on the floor of the practice room, and there was actually a corpse wearing a school uniform under the floor!

《Undercover High School-Episode 3 plot introduction

《Undercover High School》Introduction to the full episode plot

Hai Cheng (played by Seo Kang-jun) successfully sneaked into high school and tried to integrate into campus life, but unexpectedly he was framed as a school tyrant, and the slander was still a deskmate Dongmin (played by Shin Jun-hang).Taixiu (played by Zhang Chengfan) threatens Dongmin's grandmother, causing him to wrongly accuse Haicheng. Dongmin, who was caught in the weakness, could only obey.Dongmin told Haicheng“ that if they didn't wrong you, they would let my grandma stay in prison for the rest of her life.What else can I do in this case?I can’t fight, I’m a mess of grades, I’m isolated, I’m a waste, what else can I do?Do you think I haven't thought about it?Do you want to call the police?Do you want to tell the teacher?Or just kill him with a knife?I fantasized about him dying dozens of times a day, and even felt that prison was easier than school.But what if I really go in, what should my grandma do?Do you know what is most unwilling to accept?Reality is not a fairy tale.Because of the injuries and psychological trauma, I will always live like a loser, but he has long forgotten to bully me and live a happy life.” 

Because Dongmin and Tae-soo's % indexes, Hae-sung was summoned to the school violence committee.In order to prove that Tae-soo was involved in gambling, Hae-sung found President Gu Shang-tae (played by Zhao Jae-yun), who runs the gambling website, and asked him to come forward to testify, thus revealing the fact that Tae-soo used the illegal gambling website.In addition, Dongmin took advantage of the situation to expose Tae-soo's past evil deeds, and the matter came to an end for the time being.

》Undercover High School-Episode 4 plot introduction

《Undercover High School》Introduction to the full episode plot

At the same time, the second horror rumor surrounding Bingwen High School was also revealed.Rumors say that a female student pushed her off the rooftop because she was jealous of her friend who had long been ranked first. But soon after, the female student who killed her friend also died mysteriously.Therefore, the horrible rumors about not staying in school when the bell rings, spreading on campus, making people shudder.

In order to reveal the truth, Haicheng investigated the large wall clock on the first floor of the school and found that there was also an identical clock in the student union room.In order to find out the truth, he decided to become a student union cadre in order to enter the student union room for investigation. In order to meet one of the conditions for becoming a cadre - collecting the signatures of 100 recommenders, he cooperated with 4 domestic teams.

Haicheng had to absent from work due to the emergencies of reserve training. He barely managed to overcome the difficulties under the pretext of physical discomfort, but the head teacher Wu Xiuya (played by Qin Jizhou) said that he wanted to visit his home because he was worried about him, which made the situation even more difficult.However, the registered residence on Haicheng's life file, the rooftop room was empty.In order to make the room look like it is inhabited, 4 teams in China launched a tense battle.

Just as Mi-jeong (Yin Ke-er) and Yingxun (Zhao Fulai) and others had just finished decorating the room and were about to leave, Xiu-ya suddenly arrived, and everyone hid in the closet in despair.Xiuya fell down because she stepped on a massage ball on the ground, and Haiseong, who was directly opposite, fell down together. The two of them kissed unexpectedly.In order to stop Younghoon from sneezing, Mi-jung directly blocked his mouth. As a result, Younghoon fainted on the spot and fell out of the wardrobe. The scene was once chaotic...

《Undercover High School-Episode 5 Episode Plot Introduction

《Undercover High School》Introduction to the full episode plot

After unremitting efforts, Hai Cheng finally ranked among the top ten in the school, meeting the prerequisites for running for student union cadres.In order not to leave other candidates with a chance to surpass him, he tried to make some strategic contact with Li Yina, who has the right to select cadres, but unfortunately, his actions did not achieve the expected results, but instead made the atmosphere on the scene extremely awkward.Despite this, Hai Cheng was eventually successfully elected as a student union cadre, adding a bit of drama to the entire incident.

At the same time, Wu Xiuya has deep doubts about Hai Cheng’s true identity.She recalled the scene in the house and decided to take action.She not only contacted Haicheng's school before transferring to the school for investigation, but also invited her colleague Jin Lian'an to assist in monitoring the actions of the four domestic groups of the National Intelligence Agency.It is really exciting to see whether Wu Xiuyan's keen insight can uncover the true veil of Haicheng.

Within the student union, the relationship between Zheng Haicheng, Lee Yina and An Youjing has become increasingly subtle.Haicheng noticed that Yu Jing was deliberately keeping a distance from him, so he took the initiative to get closer, trying to get closer to each other.However, all this was seen by Yina, which made her guess about the relationship between the two.Finally, at Yina's suggestion, the three of them had dinner together.During the meal, Haicheng witnessed Yi Na's contempt and instructing Youjing, and couldn't help but stand up for Youjing.Yujing also took this opportunity to express her inner grievances, which made people feel pity.

At this moment, Haicheng decided to sneak into the student council room late at night and uncover the secret behind the big clock.Just as he was checking intently, an envelope suddenly slipped into the crack of the door, which read: “Hello, Agent Zheng Haicheng.”Immediately afterwards, the guard Mr. Jin called and invited him to meet at the school rooftop in a low voice.This sudden invitation made the atmosphere strange.

However, the meeting unexpectedly turned into a thriller event.The midnight bell rang, and an ominous aura filled the campus.Not long after, the second rumored story seemed to come true - Mr. Jin died strangely.What is even more shocking is that he held Hai Cheng's father Zheng Zai-hyun's notebook in his hand, which made Hai Cheng fall into confusion and panic in an instant.

《Undercover High School-Episode 6 Episode Plot Introduction

《Undercover High School》Introduction to the full episode plot

Guard Mr. Jin was originally scheduled to meet with Hai Cheng on the roof, but unexpectedly had a fierce fight with a mysterious man, but unfortunately fell from the roof and died.Hae-sung rushed to the scene and witnessed Mr. Jin who was lying on the ground, and found out from him the notebook left by his missing father Zheng Jae-hyun, which made him realize that there was a more complicated story behind it.

Just as Hai Cheng was thinking, he keenly noticed that a man was peeping at him in secret.He pursued without hesitation, and the two fought fiercely to the roof.However, just as Hai Cheng was about to catch the other party, an abnormal sound came from outside the roof door.He subconsciously looked back and checked, and the mysterious man took the opportunity to escape.Not long after, the truth was revealed. It turned out that Xu Mingzhu and Park Jae-woon were the masterminds behind all this. This reversal was jaw-dropping.

Haicheng took the notebook to find Director Jin and angrily asked him why his father's notebook appeared in Mr. Jin's hands.He grabbed Director Jin's collar with excitement, and the atmosphere was extremely tense.During this confrontation, Haicheng learned that his father's last mission before his disappearance was inextricably linked to the actions he was currently carrying out.What shocked him even more was that the National Intelligence Agency had already known about his father's mysterious disappearance, but chose to be secretly disclosed.Haicheng was furious and vowed to reveal all the truth.

In order to explore the secret of the clock, Haicheng came to the student union room.He pieced together keywords based on clues in his notebook and accidentally discovered that the school song of Bingwen High School was actually playing in the clock.He suddenly realized that this song might have hidden more clues.Just as he was recording the bell and about to leave, Sooya suddenly appeared, causing the atmosphere to suddenly become tense.

Sooya recalled the night of Mr. Kim's death and saw Hae-sung on the roof, so she had a strong doubt about his identity.The audience's hearts also hang.However, Haicheng chose to be honest and reciprocal, and bluntly revealed to Xiuya that she was an agent of the National Intelligence Agency, and explained her purpose of infiltration.This sudden revelation made the plot even more ups and downs.

At the same time, Haicheng began to investigate the mystery of the grand piano in the rumor of “3.With Soo-ya's assistance, he found a grand piano from the 1950s in the chairman's room.The two decided to use the school's ”Bingwen Night “ activity to sneak into the survey.However, due to too many violation records of Haicheng, he was unable to participate in the event, which brought obstacles to the plan.To help him lower his violation score, Sooya came up with a bold idea - to let him participate in the school's promotional model selection.

Later, the two left together after drinking in Xiuya's mother's shop, but encountered a sudden heavy rain.Xiuya's mother shouted from the store: ” Wu Fengzi!Take an umbrella!“ and hand them an umbrella.When Haicheng heard the name ” Fengzi%, he instantly recalled his childhood sweetheart, and an inexplicable emotion surged in his heart.On a rainy night, the two of them held an umbrella together. When the motorcycle rushed by and splashed everywhere, Hai Qian could hold Xiuya into his arms.

This is what the editor has compiled for you《Undercover High School》the introduction of the entire plot. I believe it will be helpful to everyone. If you want to learn more interesting plot content introductions as soon as possible, please continue to pay attention to the line class.

You Might Like More

Website Disclaimer: The content of “《Undercover High School》Introduction to the full episode plot” on this site is provided by user "GroveGlider" and is for display purposes only. Copyright belongs to the original author. If your rights have been infringed, please contact us, and we will remove it as soon as possible.

Popular Plot
Popular Collection